We know that the square of hypotenuse in a right-angled triangle is equal to the sum of the squares of the other two sides. This is Pythagoras theorem and there are many ways of proving this. The video below proves it in a novel way!
Aim: To show that Ammonia is liberated when a base reacts with Ammonium Chloride Procedure Take 5 ml water in 2 test tubes Dissolve 5 ml of Sodium Hydroxide (NaOH) in one Dissolve 5 ml of Ammonium Chloride in another Pour NaOH into the test tube containing the...
In this video, you can listen to the interesting real life story of how foreknowledge of lunar eclipse on 29th Feb 1504 helped Columbus exploit the innocence of natives of Americas (Jamaica) to get access rights to their territory and also to get them feed all the...
Bordeaux mixture (also called Bordo Mix) is a mixture of copper(II) sulphate (CuSO4) and slaked lime (Ca(OH)2) used as a fungicide. It is used in vineyards, fruit-farms and gardens to prevent infestations of downy mildew, powdery mildew and other fungi. It is sprayed...
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Bharat and Veda were two children aged seven and...
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